Seudónimo Seudónimo

02-02-2018
Mathematics

contestada

What is the discriminant D of the equation?

n^2+2n−2=0

D= ___

Respuesta :

tynollette tynollette

02-02-2018

the discriminant of a quadratic function f(x)= ax²+bx+c is b²-4ac
in this case, D=2²-4*1*(-2)=12
D=12

Answer Link

Otras preguntas

Help??? What is 3x+5x=67y?

how do u divide 16 by 3/5

A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter

A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter

A bottle rocket that was made in science class had a trajectory path that followed the quadratic equation y=-x^2+4x+6. What is the turning point of the rocket's

1,352 pounds is what fraction short of a ton? A) 169/250 B) 77/100 C)13/20 D140/223

what are some reasons for limiting authority

solve for x: 2x^2+4x-16+=0

Which of the following categories includes the most distantly related organisms? (A) family (B) species (C) class (D) genus (E) order

A bottle rocket that was made in science class had a trajectory path that followed the quadratic equation y=-x^2+4x+6. What is the turning point of the rocket's